BS55M90 Bearing Specifications
Bore d (mm)
55
Outer D (mm)
90
Width B (mm)
15
Dynamic rating Cr (kN)
—
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST BS55M90?
RUIST BS55M90 Bearing: bore d = 55 mm, outer diameter D = 90 mm, width/height B = 15 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST BS55M90 carry?
Dynamic load rating Cr = — kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST BS55M90 typically used?
Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST BS55M90 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 55 mm, OD 90 mm and width 15 mm match ISO dimensions, BS55M90 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.